Improvement in hay-stackers



C. RUNDELL.

Hay Stacker.

No. 56,273. Patented July 10, 1866.

UNITED STATES PATENT OFFICE.

G. RUNDELL, OF CHICAGO, ILLINOIS.

lM PROVEM ENT IN HAY-STACKERS.

Specification forming part of Letters Patent No. 56,273,. dated July 10, 1866.

To all whom it may concern:

Be it known that I, O. RUNDELL,.Of Ohicago, in the county of Cook and State of Illinois, have invented new and useful Improvements in Hay'Stackers, &c.; and Ido hereby declare that the following is a full and complete description of the construction and operation of the same, reference being had to the accompanying drawings, making part of this specification, in which- Figure 1 is a perspective view, and Fig. 2 is a vertical section.

My invention relates to an improvement upon the hay-stacker for which a patent was recently granted to me; and it consists in making-the pole in three sections and of tubular 1ron.

A represents the upper section, which I make from iron gas-pipe. The lower section, A, is of the same diameter and made of the same material, and should be two inches (more or less) in diameter. The lower end is provided with a step, 0, upon which the whole rests at the commencement of the stack.

The middle section, D, is larger in diame' ter, and receives both sections, A and A, as shown in Fig. 2. About in the middle of section D, I insert a plate, B, upon which section A rests, and upon which it rotates.

E is a cross-head to hold the guy-ropes. F is a pulley over which the hoisting-rope passes.

D represents a broad and thin screw-thread, which serves to raise the pole through the stack, .by rotating the sections A and D after the stack has been built above the screwthread D, the upper part of the section D, together with the section A, being rotated for this purpose, and in this manner the pole can be raised through the stack to any desired height, and when the stack is finished can be entirely removed, leaving a hole entirely through the stack.

This invention isequally applicable to the construction of hay-mows, and a number may be used in the same mow, thus giving complete ventilation.

What I claim as myimprovement, and desire to secure by Letters Patent, is

1. The herein-described tubular stack-pole, consisting of the sections A A D, the same being constructed and operating as and for the purpose set forth.

2. The plate B, in combination with the sections A and D, as and for the purpose specified.

WVitnesses: G. RUNDELL.

A. D. STURTEVANT, L. E. STEVENS. 

